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2014.17: Supplies talk and sundry

This week was mostly about Supplies, with work on implementation and tests culminating in a talk by jnthn. Let’s see what I can dig up this time:

jnthn has implemented a few things for Supplies and lizmat has implemented a whole bunch of things, as well as tests and spec.

jnthn then did a talk on reactive programming in Perl 6 at the dutch perl workshop (nlpw2014). You can download and read the slides already. Unfortunately I don’t know when the recording will reach the ‘net – except that it won’t this coming week. Also, the code from the talk is available on github – including the tiny binding to GTK3.

lizmat implemented methods grep-index, first-index and first-rindex to look through a list for things that match a given test and return each index.

A newcomer noticed, that the -p flag to rakudo was broken and probably has been for a while. Oops! It was quickly fixed by moritz and retupmoca quickly added a fix to make not only “-p -e” but also “-pe” work properly.

retupmoca also made MoarVM properly serialize and deserialize CStruct-based classes, so that modules that use NativeCall and structs work better when pre-compiled.

Mouq fixed Routine.perl so that it round-trips without error. It still doesn’t output “something that will result in the same object when EVAL’d”, but at least it doesn’t cause an exception.

I added a friendly error message when you accidentally write $!foo in a signature that’s outside of any class (as $!foo usually refers to “self’s attribute named $!foo”).

FROGGS fixed how MoarVM handles lines on file descriptors without a corresponding filename. This happens when we pipe data into the process and try to use lines() on it, for example.

FROGGS also made MoarVM less confused when encountering symlinks.

In other news, FROGGS continued the implementation of loop labels. They used to work on nqp-parrot and now they work on nqp-moarvm, too!

raiph is creating a grammar for cpan’s “mirrored.by” file for FROGGS to use in his cpan-perl6 integration work and has fixed a bug in rakudo’s debugger along the way.

Here’s some ecosystem-related things that got me excited:

raydiak has continued working on the html output of perl6-bench, making it prettier, more informative, easier to use and in general more awesome. Have a look at this example!